<script setup>
  import { ref } from 'vue'
  import { userUpdatePwdService } from '@/api/user'
  import { useUserStore } from '@/stores'
  import { useRouter } from 'vue-router'

  const formRef = ref()
  const pwdForm = ref({
    old_pwd: '',
    new_pwd: '',
    re_pwd: ''
  })

  const checkDifferent = (rule, value, callback) => {
    // 校验新密码和原密码不能一样
    if (value === pwdForm.value.old_pwd) {
      callback(new Error('新密码不能与原密码一样'))
    } else {
      callback()
    }
  }
  const checkSameAsNewPwd = (rule, value, callback) => {
    // 校验确认密码必须和新密码一样
    if (value !== pwdForm.value.new_pwd) {
      callback(new Error('确认密码必须和新密码一样'))
    } else {
      callback()
    }
  }
  const rules = ref({
    old_pwd: [
      { required: true, message: '请输入原密码', trigger: 'blur' },
      { min: 6, max: 15, message: '原密码长度在6-15位之间', trigger: 'blur' }
    ],
    new_pwd: [
      { required: true, message: '请输入新密码', trigger: 'blur' },
      { min: 6, max: 15, message: '新密码长度在6-15位之间', trigger: 'blur' },
      { validator: checkDifferent, trigger: 'blur' }
    ],
    re_pwd: [
      { required: true, message: '请再次输入新密码', trigger: 'blur' },
      { min: 6, max: 15, message: '确认密码长度在6-15位之间', trigger: 'blur' },
      { validator: checkSameAsNewPwd, trigger: 'blur' }
    ]
  })

  const userStore = useUserStore()
  const router = useRouter()

  const submitForm = async () => {
    await formRef.value.validate()
    await userUpdatePwdService(pwdForm.value)
    ElMessage.success('密码修改成功')

    // 密码修改成功后，退出重新登录
    // 清空本地存储的 token 和 个人信息
    userStore.setToken('')
    userStore.setUserInfo({})

    // 拦截登录
    router.push('/login')
  }

  const resetForm = () => {
    formRef.value.resetFields()
  }
</script>

<template>
  <page-container title="修改密码">
    <el-row>
      <el-col :span="12">
        <el-form ref="formRef" :model="pwdForm" :rules="rules" label-width="100px">
          <el-form-item label="原密码" prop="old_pwd">
            <el-input v-model="pwdForm.old_pwd" show-password></el-input>
          </el-form-item>
          <el-form-item label="新密码" prop="new_pwd">
            <el-input v-model="pwdForm.new_pwd" show-password></el-input>
          </el-form-item>
          <el-form-item label="确认密码" prop="re_pwd">
            <el-input v-model="pwdForm.re_pwd" show-password></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" @click="submitForm">修改密码</el-button>
            <el-button @click="resetForm">重置</el-button>
          </el-form-item>
        </el-form>
      </el-col>
    </el-row>
  </page-container>
</template>

<style scoped></style>
